diff --git a/apps/openmw/mwrender/distortion.cpp b/apps/openmw/mwrender/distortion.cpp
index 2ca2ace65b..ed90944245 100644
--- a/apps/openmw/mwrender/distortion.cpp
+++ b/apps/openmw/mwrender/distortion.cpp
@@ -2,6 +2,8 @@
 
 #include <osg/FrameBufferObject>
 
+#include "postprocessor.hpp"
+
 namespace MWRender
 {
     void DistortionCallback::drawImplementation(
@@ -10,6 +12,11 @@ namespace MWRender
         osg::State* state = renderInfo.getState();
         size_t frameId = state->getFrameStamp()->getFrameNumber() % 2;
 
+        PostProcessor* postProcessor = dynamic_cast<PostProcessor*>(renderInfo.getCurrentCamera()->getUserData());
+
+        if (!postProcessor || bin->getStage()->getFrameBufferObject() != postProcessor->getPrimaryFbo(frameId))
+            return;
+
         mFBO[frameId]->apply(*state);
 
         const osg::Texture* tex